PHILIP'PIC, noun An oration of Demosthenes, the Grecian orator, against Philip, king of Macedon, in which the orator inveighs against the indolence of the Athenians. Hence the word is used to denote any discourse or declamation full of acrimonious invective. The fourteen orations of Cicero against Mark Anthony are also called Philippics.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI